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Novel Proton-Conducting Oxygen-Deficient Complex Oxides: Synthesis, Hydration Processes, Transport Properties

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Abstract:

The complex oxide BaLaIn0.9Nb0.1O4.1 with Ruddlesden-Popper structure was obtained for the first time. It was found that the introduction of niobium into indium sublattice leads to the increase in the cell volume. Hydration processes and electrical properties have been investigated. For BaLaIn0.9Nb0.1O4.1 it was proved the capability for water uptake and the appearance of proton current carriers. It was established that niobium doping leads to the increase of conductivity compared to undoped composition BaLaInO4 at ~1 order of magnitude in whole temperature range.

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Material Science and Engineering Technology VIII View Preview

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Periodical:

Materials Science Forum (Volume 998)

Pages:

209-214

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.998.209

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Online since:

June 2020

Authors:

Nataliia Tarasova*, Irina Animitsa, Anzhelika Galisheva

Keywords:

Complex Oxides, Ionic Conductivity, Proton Conductivity, Thermogravimetry

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© 2020 Trans Tech Publications Ltd. All Rights Reserved

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